add configuration.nix

configuration.nix

@@ -0,0 +1,52 @@
+# Edit this configuration file to define what should be installed on
+# your system. Help is available in the configuration.nix(5) man page, on
+# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
+
+# NixOS-WSL specific options are documented on the NixOS-WSL repository:
+# https://github.com/nix-community/NixOS-WSL
+
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    # include NixOS-WSL modules
+    <nixos-wsl/modules>
+  ];
+
+  wsl.enable = true;
+  wsl.defaultUser = "nixos";
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It's perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "25.11"; # Did you read the comment?
+  programs.nix-ld.enable = true;
+  nix.settings.experimental-features = [ "nix-command" "flakes"];
+  nix.settings = {
+    substituters = [
+      "https://cache.nixos.org"
+    ];
+  };
+  environment.systemPackages = with pkgs; [
+    vim
+    neovim
+    git
+    curl
+    wget
+    unzip
+    zip
+    tree
+    htop
+    file
+    nodejs
+    ripgrep
+    fd
+    gcc
+    nerd-fonts.hack
+    nerdfetch
+    nil
+  ];
+}